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Spectra of Coherent Smith-Purcell Radiation Observed from Short Electron Bunches: Numerical and Experimental Studies

Abstract : There is a significant interest in the development of compact particle accelerators within research areas including X-ray and THz (T-ray) sources of radiation, particle physics and medical sciences. To support the progress in these areas, non-invasive, electron beam diagnostics that are capable of measuring a single femtosecond electron bunch are required. At the current stage such beam diagnostics for femtosecond-long electron bunches are still not available. The goal of the work presented is to understand the spectral characteristics of coherent Smith-Purcell radiation to enable its quick and reliable interpretation including the longitudinal profile reconstruction of electron bunches. The research presented comprises results from numerical modelling and experimental studies. Using the numerical data, we discuss the radiated spectra dependence on the electron bunch profile and analyse the results. We also discuss the experimental data and compare it with theoretical predictions.
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http://hal.in2p3.fr/in2p3-00822933
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Submitted on : Monday, July 29, 2013 - 11:57:51 AM
Last modification on : Sunday, January 3, 2021 - 11:28:10 PM
Long-term archiving on: : Wednesday, October 30, 2013 - 2:55:09 AM

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  • HAL Id : in2p3-00822933, version 1

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F. Bakkali Taheri, G. Doucas, I.V. Konoplev, A. Reichold, S.R. Stevenson, et al.. Spectra of Coherent Smith-Purcell Radiation Observed from Short Electron Bunches: Numerical and Experimental Studies. IPAC 13 - 4th International Particle Accelerator Conference, May 2013, Shanghai, China. pp.801-803. ⟨in2p3-00822933⟩

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